If x4 - 79x2 + 1 = 0, then a possible value of x + x-1 is:

If the shares of Raju, Ankit, and Anuj in a total sum of 1 are 0.625, 0.04, and 0.229 respectively, and the remaining share belongs to Ranjan, then the share of Ranjan is:

What is the square root of (7 + 2√10)?

If x2 + 1x2 = 7, then what is the value of x + 1x?

If three consecutive natural numbers are such that five times the smallest number is 19 more than four times the largest number, find the average of those three numbers.

Find the value of m for which it satisfies: (218)12 × (821)14 × (218)14 = (821)9m + 20

If √1 + 29196 = 1 + x14, then find the value of x.

If 2x1 + 11 + x1 − x = 1, then find the value of x.

An equation containing only polynomial terms is called an: