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Coordinate Geometry

Question
CBSEENMA9001862
Wired Faculty App

Evaluate the following using suitable identities:
(102)3

Solution

(102)3
(102)3 = (100 + 2)3
= (100)3 + (2)3 + 3(100)(2)(100 + 2)
| Using Identity VI
= 1000000 + 8 + 600(100 + 2)
= 1000000 + 8 + 60000 + 1200
=1061208

Some More Questions From Coordinate Geometry Chapter

Find the value of n, given (81)5/n = 243.

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.

4x2 - 3x + 7

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