The product of Rehan's age (in years) 5 years ago and his age 7 years from now, is one more than twice his present age. Find his present age.

 

Solve the following quadratic equation for x: √3 x² + 10x + 7√3 = 0 [10th cbse 2022]

Find the value of m for which the quadratic equation (m-1) x²+2(m-1)x+1=0 has two real and equal roots. [10th cbse 2022]

 

List the five rational numbers between -1 and 0. (7th. ncert)

 

In an AP if S_n = n(4n + 1) Then, find the AP. [10th CBSE 2022]

 

Find the sum of the first 30 terms of AP: -30, -24, -18, …. . . . . [CBSE 22]

 

How do you represent a complex Number z=x+iy in polar form?