Question

verify that a × ( b+c) = a×b+a×c for
a= 4/5 b=-2/3 c=-1/2​

Answer 1

Answer:

L.H.S = R.H.S

Step-by-step explanation:

a× (b+c) = a×b + a×c

4/5× (-2/3+ -1/2) = 4/5×-2/3 + 4/5×-1/2

4/5× (-2×2-1×3/6) = -8/15 + -4/10

4/5× (-4-3/6) = -8×2-4×3/30

4/5× -7/6 = -16-12/30

-28/30 = -28/30

Hence verified..

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Answer 2

a×(b+c)=a×b+a×c

4/5(2/3-1/2)=(4/5×2/3)+4/5×(-1/2)

4/5×1/6=8/15-2/5

2/15=2/15

Hence proved

Hope it helps