Advertisements
Advertisements
प्रश्न
Simplify:
`("x"^(2"n"+7).("x"^2)^(3"n"+2))/"x"^(4(2"n"+3)`
बेरीज
Advertisements
उत्तर
`("x"^(2"n"+7).("x"^2)^(3"n"+2))/"x"^(4(2"n"+3)`
Given expression`=("x"^(2"n"+7)."x"^(6"n"+4))/"x"^(8"n"+12`
`="x"^(2"n"+7+6"n"+4)/"x"^(8"n"+12)="x"^(8"n"+11)/"x"^(8"n"+12`
`="x"^(8"n"+11-8"n"-12)="x"^-1`
`=1/"x"`
shaalaa.com
More About Exponents
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Compute:
`(-5)^4xx(-5)^6÷(-5)^9`
Compute:
`(27/64)^(-2/3)`
Compute:
`(243)^(2/5)÷(32)^(-2/5)`
Compute:
`(27)^(2/3)÷(81/16)^(-1/4)`
Evaluate:
`8^0+4^0+2^0`
Simplify:
`(36"x"^2)^(1/2)`
Simplify and express as positive indice:
`("a"^(-2)"b")^(1/2)xx("a""b"^-3)^(1/3)`
Simplify and express as positive indice:
(xy)(m-n).(yz)(n-l).(zx)(l-m)
Prove that:
`1/(1+"x"^("a"-"b"))+1/(1+"x"^("b"-"a"))=1`
Find the value of n, when:
`("a"^(2"n"-3)xx("a"^2)^("n"+1))/(("a"^4)^-3)=("a"^3)^3÷("a"^6)^-3`
