PLZ GIVE STEP BY STEP EXPLANATION PLZ
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given: a^2-(b+1) , a=1/2 and b=-3/4
soln:
a^2 = (1/2)^2
= 1×1/2×2
= 1/4
through the given equation substitute the value of a and b ..
= 2/4 - (-3/4+1)
LCM of (-3/4+1)
= -3/4+4/4 = 1/4
since , (-) × (+) = (-)
= 2/4 - 1/4
=1/4 ....
therefore the value is equal to 0.25
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