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Ch 1 exercise 1.1 question(i)

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Ch 1 exercise 1.1 question(i)

Posted by Ishita Rawal 5 years, 3 months ago

CBSE > Class 08 > Mathematics

2 answers

Nikki Thakur 5 years, 3 months ago

Q(i)=-2/3*3/5+5/2-3/5*1/6 Ans=-2/3*3/5-3/5*1/+5/2/5(by comutativity) 3/5*(-2/3-1/6)+5/2 3/5*(-4-1/6)+5/2 3/5*(-5/6)+5/2(by distributivity ) -15/30+5/2 -1/2+5/2 4/2=2

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Anushka Chahar 5 years, 3 months ago

Ans= -2/3 × 3/5 + 5/2 – 3/5 × 1/6 = -2/3 × 3/5– 3/5 × 1/6+ 5/2 (by commutativity) = 3/5 (-2/3 – 1/6)+ 5/2 = 3/5 ((- 4 – 1)/6)+ 5/2 = 3/5 ((–5)/6)+ 5/2 (by distributivity) = – 15 /30 + 5/2 = – 1 /2 + 5/2 = 4/2 = 2

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CBSE > Class 08 > Mathematics