DIFFERENTIAL CALCULUS

a) (1+log x) b) xx(1+ log x) c) (1+ log x)xx d) (1+log x) 2. If xm yn =(x+y)m+n, then find . a) b) c) xy d) none. 2008 – December. 1. If f(x) = ax xa then find f ’(x). a) f (x) [a + log a] b) f (x) c) f (x) d) f (x) [a + x log a] 2009 – June. 1. If x3 y2 = (x –y)5. Find at (1,2). a) -7/9 b) 7/9 c) 9/7 d) -9/7. 2009 – December ................
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