Please can anyone help me to solve the following question, I have no idea to solve that 👀.

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I found the answer, thanks. Hope answer will help someone enter image description here

  • $\begingroup$ Don't use images as main content of your post. This makes your question impossible to search and inaccessible to the visually impaired; we don't like that. Please transcribe text and mathematics (note that you can use LaTeX). $\endgroup$ – D.W. Feb 26 '20 at 6:42
  • $\begingroup$ Yh, understood that $\endgroup$ – Sudaraka Senevirathne Feb 27 '20 at 14:49

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