সমাধান করুন : (y-1) (y+ 2) = (y+4) (y-2)

A y = 6

B y = 11

C y = 19

D y = 23

Solution

Correct Answer: Option A

(y - 1) (y + 2) = (y + 4) (y - 2)
⇒ y2 - y + 2y - 2 = y2 + 4y - 2y - 8
⇒ y - 2 = 2y - 8
⇒ y - 2y = - 8 + 2
∴ y = 6

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