What is the value of 2482-2492?
Find the value of2482-2492.
Apply the algebraic identity a2-b2=a+ba-b in the given equation.
2482-2492=248+249248-249=497-1=-497
Hence, the value of 2482-2492 is -497
The value of 2492 – 2482 is (a) 1 (b) 477 (c) 487 (d) 497
The value of (249)2−(248)2 is (a) 12 (b) 477 (c)487 (d) 497
Question 87(vi)
Classify the following statements under appropriate headings. Winning a racing competition by you ?
Certain to happenImpossible to happenMay or may not happen
The mean of the following distribution is 50. x1030507090f175a+3327a−1119 Find the value of a and hence the frequencies of 30 and 70.