5.1 × 5.2 solve the questoin by using identies (x+a) ( x+ b)= x2 + ( – InterviewSolution

1.

5.1 × 5.2 solve the questoin by using identies (x+a) ( x+ b)= x2 + ( a + b) x+ ab

Answer»

5.1 × 5.2= (5+0.1)×(5+0.2) =(5)²+5(0.1+0.2)+0.1*0.2 = 25+ 1.5 + 0.02= 26.52

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