Math, asked by HITKINGDEVIL, 2 months ago

plz give ans dont give wrong answers or ill report​

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Answers

Answered by SandeepAW
1

Answer:

b) 12x³-17x²+26x-18 divided by 3x+1.

3x+1)12x³-17x²+26x-18(4x²-7x+11

12x³+4x²

-21x²+26x

-21x²- 7x

+33x-18

+33x+11

-29

Quotient=4x²-7x+11 & Remainder=-29.

c) (109)²+(91)².

(109)².

(100+9)².

By using formula (a+b)²=a²+2ab+b² where a=100 & b=9.

(100+9)²=(100)²+2(100)(9)+(9)².

=10000+1800+81.

=11881.

(91)².

(100-9)².

By using formula (a-b)²=a²-2ab+b² where a=100 & b=9.

(100-9)²=(100)²-2(100)(9)+(9)².

=10000-1800+81.

=8281.

(109)²+(91)²=(100+9)²+(100-9)²=11881+8281.

=20162.

d) (a+b)²=a²+2ab+b².

a=3 & b=4.

(3+4)²=(3)²+2(3)(4)+(4)².

(7)²=9+24+16.

49=49.

g) (x+13)(x+20).

By using formula (x+a)(x+b)=x²+(a+b)x+ab where x=x, a=13 & b=20.

(x+13)(x+20)=(x)²+(13+20)(x)+(13)(20).

=x²+33x+260.

Sorry I didn't understand other questions.

I think this is your answer.

Answered by jatinmeghwal884
0

Answer:

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Step-by-step explanation:

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