Question

Let f be a twice differentiable function such that  f” (x) = -f(x) and f’ (x) = g(x) if h(x) = (f(x))²+(g(x))²and h(5) = 2, then h(10)=  (a) 0 (b) 1 (c) 2 (d) none of these​

Answer 1

Answer:

couldn't

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