pls solve it asap ..it will be of great help
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Answer:
-2sin(√x+h+√x÷2)sin(√x+h-√x÷2)/h
divide and multiply by 2
-2sin(√x+h+√x÷2)sin(√x+h-√x÷2)/h÷2×2
-sin(2√x+h÷2)sin(h/2)÷h/2
-sin(√x+h)×1
on putting limit h=0
-sin(√x). answer
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