using appropriate property class 8th -1/2×3/5+7/2-1/2×3/7
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we have -1/2 * 3/5 +7/2 - 1/2 * 3/7
taking -1/2 common both the sides we get
-1/2(3/5+3/7) + 7/2
-1/2(36/35) + 7/2
-18/35 + 7/2
= 209/70 ans
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joshua224:
yes..
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