a12x4 - a4x12
a4x4 (a4 + x4)(a2 + x2)(a+x)(a-x)
a3 - 1/a3 -2a + 2/a
(a - 1/a)(a2 +1/a2 - 1)
(-12)3 + 73 + 53
-1260
Simplify :
(16. 2n+1 - 4.2n) / (16.2n+2 - 2.2n+2)
1/2
4a2 + 12ab + 9b2 - 8a - 12b
(2a + 3b)(2a +3b - 4)
7.21/2.x2 - 10x -4.21/2
(x - 21/2)(7.21/2.x + 4)
756
If 5x-3. 32x-8 = 225
Find x
5
x12 - y12
(x2 + y2)(x-y)(x+y)(x2 + xy + y2)(x2 - xy + y2)(x4 + x2y2 + y4)
x4 + 5x2 + 9
(x2 - x + 3)(x2 + x + 3)
If a - b = 4 & ab=45, find a3 - b3
604
Simplify (111/2 + 31/2)1/3 (111/2 - 31/2)1/3
2
x4 + 4x2 + 3
(x2 + 3)(x2 + 1)
x3 - 3x2 + 3x + 7
(x+1)(x2 - 4x + 7)
If x + 1/x = 51/2
Find x4 + 1/x4
7
Solve : (25)x-1 = 5y+1 ;
(1/3)3-x = (1/9)2y
x = 5/3 ; y = 1/3
x2 - y2 - 4xz + 4z2
(x + y - 2z)(x - y - 2z)
1 - 2ab - (a2 + b2)
(1 + a + b)(1 - a - b)
If, 9x2 + 25y2 = 181 & xy = -6
Find 3x + 5y
+- 1
212n