If x2y2 + x3y4 = (3xy)2 then, xy2=?
Solution
Correct Answer: Option C
x2y2 + x3y4 = (3xy)2
⇒ x3y4 = 9x2y2 - x2y2
⇒ x3y4 = 8x2y2
⇒ x3y4/x2y2 = 8
⇒ xy2 = 8
⇒ x3y4 = 9x2y2 - x2y2
⇒ x3y4 = 8x2y2
⇒ x3y4/x2y2 = 8
⇒ xy2 = 8
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