Math, asked by ankitathankur1101, 8 months ago

If ||x-1|-5|= 2 then the number of distinct value of x is​?

Answers

Answered by MaheswariS
0

\underline{\textbf{Given:}}

\mathsf{||x-1|-5|=2}

\underline{\textbf{To find:}}

\textsf{Number of distinct value of x}

\underline{\textbf{Solution:}}

\mathsf{Consider,}

\mathsf{||x-1|-5|=2}

\implies\mathsf{|x-1|-5=\pm\,2}

\implies\mathsf{|x-1|=5\pm\,2}

\begin{array}{l||l}\textbf{Case(i):}&\textbf{Case(ii):}\\\\\mathsf{|x-1|=5+2}&\mathsf{|x-1|=5-2}\\\\\mathsf{|x-1|=7}&\mathsf{|x-1|=3}\\\\\mathsf{\implies\,x-1=\pm\,7}&\mathsf{\implies\,x-1=\pm\,3}\\\\\mathsf{\implies\,x=1\pm\,7}&\mathsf{\implies\,x=1\pm\,3}\\\\\mathsf{\implies\,x=8,-6}&\mathsf{\implies\,x=4,-2}\end{array}

\underline{\textbf{Answer:}}

\textsf{The number of distinct value of x is 4}

\underline{\textbf{Concept used:}}

\boxed{\begin{minipage}{5cm}$\\\mathsf{If\;|u|=v\;\implies\;u=\pm\,v}\\$\end{minipage}}

#SPJ3

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