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Find the value of given number expression: 397 × 397 + 104 × 104 + 2 × 397 × 104 = ?
  • a)
    251001
  • b)
    205010
  • c)
    205001
  • d)
    250010
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Find the value of given number expression: 397 × 397 + 104 &time...
Given expression,
= (397)^2 + (104)^2 + 2 x 397 x 104
= (397 + 104)^2
= (501)^2
= (500 + 1)^2
= (500)^2 + 1^2 + 2 x 500 x 1
= 250000 + 1 + 1000
= 251001
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Find the value of given number expression: 397 × 397 + 104 &time...
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Find the value of given number expression: 397 × 397 + 104 × 104 + 2 × 397 × 104 = ?a)251001b)205010c)205001d)250010Correct answer is option 'A'. Can you explain this answer?
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