Q. 14.6( 110 Votes )

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Answer :

(i) m - 2

Put m = 2

= 2 -2

=0

(ii) 3m - 5

Put m = 2

=3(2) - 5

=6 - 5

= 1

(iii) 9 - 5m

Put m = 2

= 9 - 5(2)

= 9 - 10

= -1

(iv) 3m2 - 2m - 7

Put m = 2

= 3(2)2 - 2(2) - 7

=3(4) - 4 - 7

=12 - 11

=1

(v) 

Put m = 2

= 5 - 4

= 1

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