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The rationalising factor (conjugate) of $(3 + 2)$ is:

Class 9Rationalising the DenominatorNumber Systems

A $3 - 2$
B $3 + 2$
C $2 - 3$
D $- 3 - 2$

Step-by-Step Solution

The conjugate of

(a + b)

is

(a - b)

. So the rationalising factor of

(3 + 2)

is

(3 - 2)

.

Answer: A)

3 - 2

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