Advertisements
Advertisements
प्रश्न
Multiply: (2x + 3y)(2x - 3y)
बेरीज
Advertisements
उत्तर
(2x + 3y)(2x - 3y)
⇒ 2x (2x - 3y) + 3y(2x - 3y)
⇒ 2x × 2x - 2x × 3y + 3y × 2x - 3y × 3y
⇒ 4x2 - 6xy + 6xy - 9y2
⇒ 4x2 - 0 - 9y2
⇒ 4x2 - 9y2
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorize `6ab - b^2 + 12ac - 2bc`
Factorize `[x^2 + 1/x^2] - 4[x + 1/x] + 6`
Factorize 2( x + y)2 - 9( x + y) - 5
Factorize the following expressions:
x4y4 - xy
Factorize 8x3 + 27 y3 + 36x2 y + 54xy2
(a – 3b)3 + (3b – c)3 + (c – a)3
If (x + y)3 − (x − y)3 − 6y(x2 − y2) = ky2, then k =
Evaluate:
(i) (a + b)(a - b)
(ii) (a2 + b2)(a + b)(a - b); using the result of (i).
(iii) (a4 + b4)(a2 + b2)(a + b)(a - b); using the result of (ii).
Divide: 10x3y - 9xy2 - 4x2y2 by xy
Express the following properties with variables x, y and z.
Associative property of multiplication
