Question

If 4x2 + (b - 1)xy +9y2 is a perfect square, what is the value
b?​

Answer 1

answer:-

take any value in place of x then in place of y then solve the equation then plus that answer u will find the value of b.

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Answer 2

Answer:

Hey mates

Here is your answer

take any value in place of x then in place of y then solve the equation then plus that answer u will find the value of b.

I hope this answer you

Please mark be brainlist.