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If X = (a-b) a2 (a+b) &  Y = (a+b) b2 (a-b)What is the value of X + Y?
  • a)
    a2 + b2
  • b)
    (a2 - b2)2
  • c)
    (a2 + b2)2
  • d)
    a4 – b4
  • e)
    a4 + b4
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
If X = (a-b) a2 (a+b) &Y = (a+b) b2 (a-b)What is the value of X + ...
X=(a2-b2)a2
y=(a2-b2)b2
x+y = (a2-b2)(a2+b2)
=a4-b4
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If X = (a-b) a2 (a+b) &Y = (a+b) b2 (a-b)What is the value of X + Y?a)a2 + b2b)(a2 - b2)2c)(a2 + b2)2d)a4 – b4e)a4 + b4Correct answer is option 'D'. Can you explain this answer?
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