निम्नलिखित में से असत्य गणितीय कथन (कथनों) की पहचान कीजिए: A. (a + b)2 = (a - b)2 + 4ab B. a4 - b4 = (a - b)(a + b)(a2 - b2) C. x2 + (a - b)x + ab = (x - a)(x + b)

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?