Question

Write down the following Identities: [05]

(i) (a + b)2 =

(ii) (a + b) (a – b) =

(iii) (x + a) (x + b) =

(iv) ( a – b)2 =

(v) Simple Interest =​

Answer 1

Answer:

1. a²+2ab+b²

2. a²-b²

3. Don't know

4. a²-2ab+b²

5. P×R×T/100

Step-by-step explanation:

Hope it help you.

Answer 2

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Write down the following identities :-

( i ) ( a+b )²

( ii ) ( a+b ) (a-b )

( iii ) ( x+a ) ( x+b )

( iv ) ( a-b )²

( v ) Simple interest

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✍️ ( i ) ( a+b )²:-

( a+b )² = a² + b² + 2ab

✍️ ( ii ) ( a+b ) ( a-b ):-

( a+b ) ( a-b ) = a² - b²

✍️ ( iii ) ( x+a ) ( x+b ):-

( x+a ) ( x+b ) = x² + ( a+b ) x + ab

✍️ ( iv ) ( a-b )²:-

( a-b )² = a² + b² - 2ab

✍️ Simple interest:-

$SI = \frac{P×R×T}{100}$

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