Q26 of 116 Page 6

Express each of the following prducts as a monomials and verify the result in each case for x=1:

Evaluate for x = 2.5 and y=1.

-8 × - 20 × x2 × x × y6 × y

= 160x3y7


Verify:


When, x = 2.5 and y = 1


R.H.S = 160x3y7


= 160 × (2.5)3 × (1)7


= 2500


L.H.S = - 8 × 2.52 × 1 × -20 × 1 × 2.5


= 2500


Therefore,


L.H.S = R.H.S


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