Find: (A + B)(A + B)

Find : (a + b)(a + b)

Sum

(a + b)(a + b) = (a + b)²= a × a + a × b + b × a + b × b
= a² + ab + ab + b²= a² + b² + 2ab

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Special Product

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Chapter 4: Expansions - Exercise 4 (E) [Page 66]

Chapter 4 Expansions
Exercise 4 (E) | Q 11.1 | Page 66

Simplify : ( x + 6 )( x + 4 )( x - 2 )

Simplify : ( x - 6 )( x - 4 )( x + 2 )

Simplify: (x + 6) (x − 4) (x − 2)

Find : (a - b)(a - b)(a - b)

Prove that : x²+ y² + z² - xy - yz - zx is always positive.

If a + b = 11 and a² + b² = 65; find a³ + b³.

If a − 2b + 3c = 0; state the value of a³− 8b³ + 27c³.

Using suitable identity, evaluate (104)³

Evaluate :
`[0.8 xx 0.8 xx 0.8 + 0.5 xx 0.5 xx 0.5]/[0.8 xx 0.8 - 0.8 xx 0.5 + 0.5 xx .5]`

Evaluate :
`[1.2 xx 1.2 + 1.2 xx 0.3 + 0.3 xx 0.3 ]/[ 1.2 xx 1.2 xx 1.2 - 0.3 xx 0.3 xx 0.3]`