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The Brainliest Answer!
  • Brainly User
2014-03-27T16:21:43+05:30
f"(x)=-f(x) and f'(x)=g(x)
therefore
f"(x)f'(x)+f(x)'(x)=0
so
f(x/2)^2+f'(x/2)^2=f(x/2)^2+g(x/2)^2=c=F(x)
therefore
F(10)=5
2 3 2