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Ex 1.1, 1 (ii) - Chapter 1 Class 8 Rational Numbers
Last updated at March 22, 2023 by Teachoo
Ex 1.1
Ex 1.1, 1 (i)
Ex 1.1, 1 (ii) Important You are here
Ex 1.1, 2 (i)
Ex 1.1, 2 (ii)
Ex 1.1, 2 (iii) Important
Ex 1.1, 2 (iv)
Ex 1.1, 2 (v) Important
Ex 1.1, 3
Ex 1.1, 4 (i) Important
Ex 1.1, 4 (ii)
Ex 1.1, 4 (iii)
Ex 1.1, 4 (iv) Important
Ex 1.1, 4 (v) Important
Ex 1.1, 4 (vi)
Ex 1.1, 5
Ex 1.1, 6 Important
Ex 1.1, 7
Ex 1.1, 8
Ex 1.1, 9 Important
Ex 1.1, 10 (i) Important
Ex 1.1, 10 (ii) Important
Ex 1.1, 10 (iii)
Ex 1.1, 11 Important
Transcript
Ex 1.1, 1 Using appropriate properties find. (ii) 2/5×(−3/7) – 1/(6 ) × 3/2+1/14 × 2/5 2/5×(−3/7) – 1/(6 ) × 3/2+1/14 × 2/5 = 𝟐/𝟓× (−3/7) +1/14 × 𝟐/𝟓 – 1/(6 ) × 3/2 = 𝟐/𝟓 × ((−3)/7+1/14)−1/6 × 3/2 = 2/5 × ((−3 × 2 + 1)/14) −1/6 × 3/2 = 2/5 ((−6 + 1)/14) −1/6 × 3/2 = 2/5 × ((−5))/14 − 1/6 × 3/2 = (−1)/7 − 1/6 × 3/2 = (−1)/7 − 1/2 × 1/2 = (−1)/7 − 1/4 = (−4 − 7)/(7 × 4) = (−𝟏𝟏)/𝟐𝟖
