Since, x2 – 5x + 1 = 0 So, x2 + 1 = 5x Dividing each term by ‘x’, we get Or, x + (1/x) = 5 Squaring both sides, we get (x + 1/x)2 = 52 = 25 Or, x2 + (1/x2) + 2 = 25 Or, x2 + (1/x2) = 23
Sum of all positive integers from 1 to 100 is
Which term of the arithmetic progression 88, 90, 92, 94... is 142?
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The remainder obtained when (47³ + 35³) is divided by 41 is
In a certain pond, there are 60 more crabs than fish. Unfortunately, 20% of the crabs have perished. Additionally, the pond has welcomed 80 new fish. As...
Find the number of prime factors of 300?
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One-fourth of a number is 70. What will 40% of that number?
...The sum of (p/q)+(q/r)+(r/s)+(s/t) = (239/60). The value of ‘q’ is one less than the value of ‘s’. The average of ‘p’ and ‘s’ is 4. The ...
