Advertisements
Advertisements
प्रश्न
Expand : ( x + y - z )2
बेरीज
Advertisements
उत्तर
( x + y - z )2 = x2 + y2 + z2 + 2(x)(y) - 2(y)(z) - 2(z)(x)
= x2 + y2 + z2 + 2xy - 2yz - 2zx
shaalaa.com
Expansion of Formula
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Expand : ( x + 8 )( x - 10 )
Expand : ( 5a - 3b + c )2
Expand : ( 5x - 3y - 2 )2
If a + `1/a` = m and a ≠ 0 ; find in terms of 'm'; the value of :
`a - 1/a`
In the expansion of (2x2 - 8) (x - 4)2; find the value of coefficient of x3.
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`
The sum of two numbers is 7 and the sum of their cubes is 133, find the sum of their square.
If x = `1/( x - 5 ) "and x ≠ 5. Find" : x^2 - 1/x^2`
