Tick the correct answer-1-2 a b-a2-b2-a 1-a-b1-a-bb 1-a-b1-a-bc 1-a-b1-a-bd 1-a-b1-a-b

(c) (1 + a + b)(1 minus; a minus; b) 1 2ab (a2 #160;+b2)=1 2ab #160; a2 b2=1 (2ab #160;+a2+b2)=1 (a+b)2=(1 a b)(1+a+b) ...

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Addition and Subtraction of Negative Numbers Using Algebra

Tick the cor...

Question

Tick (✓) the correct answer:
1 − 2ab − (a² + b²) = ?
(a) (1 + a − b)(1 + a + b)
(b) (1 + a + b)(1 − a + b)
(c) (1 + a + b)(1 − a − b)
(d) (1 + a − b)(1 − a + b)

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$1 - 2 a b - (a^{2} + b^{2}) = ? (a) (1 + a - b) (1 + a + b) (b) (1 + a + b) (1 - a + b) (c) (1 + a + b) (1 - a - b) (d) (1 + a - b) (1 - a + b)$

\int \frac{x^{2} d x}{(a + b x)^{2}} =

| a | < 1

| b | < 1

1 + (1 + a) b + (1 + a + a^{2}) b^{2} + (1 + a + a^{2} + a^{3}) b^{3} + \dots

a - a^{3} + b^{3} - b

If $| a | < 1 a n d | b | < 1$ , then the sum fo the series $1 + (1 + a) b + (1 + a + a^{2}) b^{2} + (1 + a + a^{2} + a^{3}) b^{3} + . . . i s$

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