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THEMATICS0. Using identities, evaluate.( 71 71(iv) 9982(viii) 8.92(i) 992W 297 x 303(in 1022(vii) 78 X 82tot(ix) 1.05 x 9.57. Using a-b2= (a + b)(a - b), find( 51- 403 Go X4.02)2 – (0.98) (ii) 1532 – 1472(iv) 12.P - 7.928. Using (x + a) (x+b) = x2 + (a + b) x + ab, find@ (1) 103 x 104(ii) 5.1 x 5.2(iv) 9.7 x 9.8(iii) 103 x 98WHAT HAVE WE DISCUSSED?are formed from variables and constants.ded to form expressions. Terms themselves are formed as product of factors. |
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