86. In the following series, one number is incorrect. Find out the incorrect number.
25, 32, 64, 71, 74, 291, 1746
(1) 291
...
Find the Highest Common Factor (HCF) of the following expressions:
(x^2y+xy^2), (x^2+xy)
(x2y+xy2), (x2+xy)
𝑥
2
𝑦
+
x
y+xy
x ...
52681.6/(196665.26-x)=8.43
Solve x^2 d^2y/dx^2 - x dy/dx -3y = x^2logx
solve q=(z+qx)^2 using charpit method
1/8z-4=4
7x-3y=12
7y-3x=0
