Home
Class 12
MATHS
8x^2 - 18 =...

`8x^2 - 18` =

A

`8(x^2 - 2)`

B

`2(2x + 3)(2x - 3)`

C

`2(4x + 3)(4x - 3)`

D

`2(2x + 9)(2x - 9)`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

If the radius of the circle touching the pair of lines 7x^(2) - 18 xy +7y^(2) = 0 and the circle x^(2) +y^(2) - 8x - 8y = 0 , and contained in the given circle is equal to k, then k^(2) is equal to

Factorise completely : 8x^2 y - 18y^3

The centre of the smallest circle touching the circles x^2+ y^2-2y -3=0 and x^2 +y^ 2-8x -18y +93= 0 is:

If the root of kx^3 - 18x^2 - 36 x+8=0 are in H.P then k=

What polynomial must be added ot 7x^2 + 14x - 8 to result in a sum of 5x^2 + 18x + 1 ?

Simplify : 15x-[8x^2 + 3x^2 - {8x^2 - (4-2x-x^3)-5x^3}-2x]

If x=9 is the chord of contact of the hyperbola x^2-y^2=9 then the equation of the corresponding pair of tangents is (A) 9x^2-8y^2+18x-9=0 (B) 9x^2-8y^2-18x+9=0 (C) 9x^2-8y^2-18x-9=0 (D) 9x^2-8y^2+18x+9=0

If x=9 is the chord of contact of the hyperbola x^2-y^2=9 then the equation of the corresponding pair of tangents is (A) 9x^2-8y^2+18x-9=0 (B) 9x^2-8y^2-18x+9=0 (C) 9x^2-8y^2-18x-9=0 (D) 9x^2-8y^2+18x+9=0

If x=9 is the chord of contact of the hyperbola x^2-y^2=9 then the equation of the corresponding pair of tangents is (A) 9x^2-8y^2+18x-9=0 (B) 9x^2-8y^2-18x+9=0 (C) 9x^2-8y^2-18x-9=0 (D) 9x^2-8y^2+18x+9=0

the function f(x)=(x^2+4x+30)/(x^2-8x+18) is not one-to-one.