solve the following question
please don't waste my time and yours
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7
Step-by-step explanation:
the answer of A is 0
the answer of B is 1/2
Answered by
0
a
= (-4/5 × 3/7 ) + (4/5 × 3/7)
= -12/35 + 12/35
= 0 Ans
b
= (1/2 × 5/6) + (1/3 × 1/4)
= 5/12 + 1/12
= 1/2 Ans
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