Page 1 Q u e s t i o n : 5 9 Mark the correct alternative in each of the following: 1 If x + 1 x = 5 , then x 2 + 1 x 2 = a 25 b 10 c 23 d 27 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Page 2 Q u e s t i o n : 5 9 Mark the correct alternative in each of the following: 1 If x + 1 x = 5 , then x 2 + 1 x 2 = a 25 b 10 c 23 d 27 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Hence the value of is Hence the correct choice is c . Q u e s t i o n : 6 0 If x + 1 x = 2 , then x 3 + 1 x 3 = a 64 b 14 c 8 d 2 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here putting , Hence the value of is Page 3 Q u e s t i o n : 5 9 Mark the correct alternative in each of the following: 1 If x + 1 x = 5 , then x 2 + 1 x 2 = a 25 b 10 c 23 d 27 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Hence the value of is Hence the correct choice is c . Q u e s t i o n : 6 0 If x + 1 x = 2 , then x 3 + 1 x 3 = a 64 b 14 c 8 d 2 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here putting , Hence the value of is Hence the correct choice is d . Q u e s t i o n : 6 1 If x + 1 x = 4, then x 4 + 1 x 4 = a 196 b 194 c 192 d 190 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Squaring on both sides we get, Hence the value of is Hence the correct choice is b . Page 4 Q u e s t i o n : 5 9 Mark the correct alternative in each of the following: 1 If x + 1 x = 5 , then x 2 + 1 x 2 = a 25 b 10 c 23 d 27 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Hence the value of is Hence the correct choice is c . Q u e s t i o n : 6 0 If x + 1 x = 2 , then x 3 + 1 x 3 = a 64 b 14 c 8 d 2 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here putting , Hence the value of is Hence the correct choice is d . Q u e s t i o n : 6 1 If x + 1 x = 4, then x 4 + 1 x 4 = a 196 b 194 c 192 d 190 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Squaring on both sides we get, Hence the value of is Hence the correct choice is b . Q u e s t i o n : 6 2 If x + 1 x = 3 , then x 6 + 1 x 6 = a 927 b 414 c 364 d 322 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity and Here put , Take Cube on both sides we get, Hence the value of is Hence the correct choice is d . Page 5 Q u e s t i o n : 5 9 Mark the correct alternative in each of the following: 1 If x + 1 x = 5 , then x 2 + 1 x 2 = a 25 b 10 c 23 d 27 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Hence the value of is Hence the correct choice is c . Q u e s t i o n : 6 0 If x + 1 x = 2 , then x 3 + 1 x 3 = a 64 b 14 c 8 d 2 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here putting , Hence the value of is Hence the correct choice is d . Q u e s t i o n : 6 1 If x + 1 x = 4, then x 4 + 1 x 4 = a 196 b 194 c 192 d 190 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here put , Squaring on both sides we get, Hence the value of is Hence the correct choice is b . Q u e s t i o n : 6 2 If x + 1 x = 3 , then x 6 + 1 x 6 = a 927 b 414 c 364 d 322 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity and Here put , Take Cube on both sides we get, Hence the value of is Hence the correct choice is d . Q u e s t i o n : 6 3 If x 2 + 1 x 2 = 102 , then x - 1 x = a 8 b 10 c 12 d 13 S o l u t i o n : In the given problem, we have to find the value of Given We shall use the identity Here putting , Hence the value of is Hence the correct choice is b . Q u e s t i o n : 6 4 If x 3 + 1 x 3 = 110 , then x + 1 x = a 5 b 10Read More

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