Expand : ( X - 2y + 2 )2

Expand : ( x - 2y + 2 )²

बेरीज

( x - 2y + 2 )²= x² + (2y)² + (2)² - 2(x)(2y) - 2(2y)(2) + 2(2)(x)
= x² + 4y² + 4 - 4xy - 8y + 4x

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Expansion of Formula

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पाठ 4: Expansions (Including Substitution) - Exercise 4 (C) [पृष्ठ ६२]

पाठ 4 Expansions (Including Substitution)
Exercise 4 (C) | Q 3.2 | पृष्ठ ६२

Expand : `( 3a + 2/b )( 2a - 3/b )`

Expand : ( x + y - z )²

Expand : ( 5a - 3b + c )²

Expand : `( x - 1/x + 5)^2`

If a + b + c = p and ab + bc + ca = q ; find a² + b² + c².

If x + 2y + 3z = 0 and x³ + 4y³ + 9z³ = 18xyz ; evaluate :
`[( x + 2y )^2]/(xy) + [(2y + 3z)^2]/(yz) + [(3z + x)^2]/(zx)`

If 2( x² + 1 ) = 5x, find :
(i) `x - 1/x`

(ii) `x^3 - 1/x^3`

The difference between two positive numbers is 4 and the difference between their cubes is 316.
Find : The sum of their squares

If `(x^2 + 1)/x = 3 1/3` and x > 1; find If `x^3 - 1/x^3`

Find the value of 'a': 4x² + ax + 9 = (2x + 3)²