Q. 4 J5.0( 2 Votes )

Find out the following squares by using the identities:

0.54 × 0.54 – 0.46 × 0.46

Answer :

(a2 – b2) = (a – b) × (a + b)


(0.54 × 0.54 – 0.46 × 0.46) = (0.54)2 – (0.46)2


0.54 × 0.54 – 0.46 × 0.46 = (0.54 – 0.46) (0.56 + 0.46)


0.54 × 0.54 – 0.46 × 0.46 = 0.08×1.02


0.54 × 0.54 – 0.46 × 0.46 = 0.0816


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