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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-7

  • question_answer
    If\[x=1.75\], \[y=0.5\], then find the value of \[4{{x}^{2}}+4xy+{{y}^{2}}.\]

    A)  15.75                          

    B)  16.00

    C)  16.25                          

    D)  16.75

    Correct Answer: B

    Solution :

     \[4{{x}^{2}}+4xy+{{y}^{2}}={{(2x+y)}^{2}}\] \[=(2\times 1.75+0.5)\] \[={{(3.5+0.5)}^{2}}={{4}^{2}}=16\]


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