1.

find the remainder without division on dividing 3 X square + 5 x minus 9 by 3 x minus 23 X square + 5 x minus 9 divided by 3 x minus 2 ​

Answer»

Answer:

GIVEN,

f(X)=3x

2

+5x−9

Let us assume

3x+2=0⇒x=−

3

2

∴ By REMAINDER theorem,

when f(x) is divided by (3x+2)

Remainder r=f(−

3

2

)

=3(−

3

2

)

2

+5(−

3

2

)−9

=

3

4

−

3

10

−9

=−

3

6

−9

=−2−9=−11

Hence, the remainder is −11


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