Question

if 49x²-b =(7x+1/2)(7x-1/2), then find the value of b.

Answer 1

this is the answer of ur question

Answer 2

49x^2-b = 7x(7x-1/2)+1/2(7x-1/2)
=49 x^2 -b = (49x^2) - (7x/2)+(7x/2)+(-1/4)
=49x^2-b = (4*49x^2- 2*7x+ 7x *2 - 1) / 4
=4*49x^2 - 4*b = 4*49x^2 -1
= -4b. = -1
= 4b. =1
= b = 1/4