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Which of the following pairs of terms is a pair of unlike terms?

  • a)
     -p2q2,12q2p2

  • b)
    -4yx2,-4xy2

  • c)
    41,100

  • d)
    qp2,13p2q

Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following pairs of terms is a pair of unlike terms?a)-p2q...
The correct option is B −4yx2,−4xy2



  • −p2q2,12q2p2: terms contain same variables with equal exponents, so these are like terms.

  • −4yx2,−4xy2: As in −4yx2, x has exponent 2 & y has exponent 1 and in −4xy2 , y has exponent 2 & x has exponent 1. So both the terms have same variables but with different exponent. Hence −4yx2,−4xy2 are unlike terms.

  • 41, 100: terms do not contain any variable, so these are like terms.

  • qp2,13p2q: terms have same variables p and q with equal exponent 2 and 1 respectively. So, these are like terms.

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Community Answer
Which of the following pairs of terms is a pair of unlike terms?a)-p2q...
A coefficient is the multiplying factor of a polyn
omial or an algebraic expression, ie 
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Which of the following pairs of terms is a pair of unlike terms?a)-p2q2,12q2p2b)-4yx2,-4xy2c)41,100d)qp2,13p2qCorrect answer is option 'B'. Can you explain this answer?
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