Question

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Answer 1

Answer:

(-7/12×2/-21) +(-7/12×-8/15) = -7/12×(2/-21+-8/15)

7/126+14/45 = -7/12×(-10-56/105)

35+196/630 = -7/12×-66/105

231/630 = 7/2× 11/105

77/210 =77/210

hence LHS = RHS are equal

hence proved