Advertisements
Advertisements
प्रश्न
Simplify:
`(x - 1/x)(x^2 + 1 + 1/x^2)`
योग
Advertisements
उत्तर
`(x - 1/x)(x^2 + 1 + 1/x^2)`
= `x(x^2 + 1 + 1/x^2) - (1)/x (x^2 + 1 + 1/x^2)`
= `x^3 + x + (1)/x - x - (1)/x - (1)/x^3`
= `x^3 - (1)/x^3`.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Evaluate the following using identities:
(399)2
Evaluate following using identities:
991 ☓ 1009
Write in the expanded form:
`(a/(bc) + b/(ca) + c/(ab))^2`
Evaluate of the following:
(99)3
Find the following product:
(3x − 4y + 5z) (9x2 +16y2 + 25z2 + 12xy −15zx + 20yz)
Evaluate:
(0.2)3 − (0.3)3 + (0.1)3
\[\frac{( a^2 - b^2 )^3 + ( b^2 - c^2 )^3 + ( c^2 - a^2 )^3}{(a - b )^3 + (b - c )^3 + (c - a )^3} =\]
Evalute : `( 7/8x + 4/5y)^2`
Use the direct method to evaluate :
(2a+3) (2a−3)
If a2 - 3a - 1 = 0 and a ≠ 0, find : `"a" - (1)/"a"`
