Statement 1: If xy+yz+zx=1, then x 1+x^2 = 2 (1+x^2) . Statement 2: In a ABC, 2A+ 2B- 2C=4 A B C.

JEE Main Mathematics question

Statement 1: If , then . Statement 2: In a , .

(A)Statement 1 is True, Statement 2 is True; Statement 2 is a correct explanation for Statement 1
(B)Statement 1 is True, Statement 2 is True; Statement 2 is not a correct explanation for Statement 1Correct
(C)Statement 1 is True, Statement 2 is False
(D)Statement 1 is False, Statement 2 is True

Answer: (B)

Statement 2 is a standard triangle identity: with , . TRUE. Statement 1: if , put , , with ; then and

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-008101