1.

Find the product of the following.(i) 3ab2 c3 by 5a3b2c(ii) 4x2yz by 3/2 x2yz2

Answer»

(i) (3ab3c3) × (5a3b2c)

= (3 × 5)(a × a3 × b2 × b2 × c2 × c)

= 15a1+3.b2+2.c3+1 

= 15a4b4c4

(ii) 4x2yz by 32 x2yz2

= (4 × 3/2) × (x2 × x2 × y × y × z × z2)

= -6x2+2 y1+1 x1+2 

= -6x4y2z3



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