If 49 x2-b= ( 7x +1/2)(7x-1/2)
, then the value of b is
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Answer:
b=1/4
Step-by-step explanation:
rhs=(7x+1/2)(7x-1/2)
(a-b)(a+b)=a2-b2
=(7x)2-(1/2)2
=49x2-1/4
49x2-b=49x2-1/4
-b=-1/4
therefore b=1/4
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