1.

Express each of the following products as a monomials and verify the result for x=1, y= 2:(-xy3) x (yx3) x (xy)

Answer»

-x × x3 × x × y3 × y × y

= -x5y5

Verify:

When x = 1 and y = 2

R.H.S = -x5y5

= (-1)5 × 25

= -1 × 32

= -32

L.H.S = (-1) × 23 × 2 × 13 × 1 × 2

= -32

Therefore,

L.H.S = R.H.S



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