1.

Multiply using Nikhilam sutra 21 x 22 x 99

Answer»

ue of 21 x 22 x 99 =  45738Explanation:We have,21 x 22 x 99To find, the value of 21 x 22 x 99 = ?∴  21 x 22 x 99 = [( 20 + 1) x ( 20 + 2)] x 99 USING the algebraic identity,( x + a) x (x + b) = + (a + b)x + AB= [ + (1 + 2)20 + (1)(2)] x 99 = [400 + 60 + 2] x 99 = 462 x (100 - 1)= 462 x 100 - 462 x 1= 46200 - 462= 45738The value of 21 x 22 x 99 =  45738



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