¾ab(a²-½b²+4);a=½ ,b=-1
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Answered by
1
Answer:
-15/32
Step-by-step explanation:
we have,
a = 1/2 b = -1
have to find,,
3/4×ab(a²-1/2×b²+4)
= 3/4×1/2×(-1)[1/4-1/2×1+4]
= -3/8[-1/4+4]
= -3/8[15/4]
= -15/32 ....ans.
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