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If 9 x square plus 25 …

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If 9 x square plus 25 y square is equal to 181 and is equal to minus 6 find the value of 3x + 5 y

    • Posted by Yash Chinda 5 years, 4 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Ram Kushwah 5 years, 4 months ago

    9x2+25y2=181

    9x2+25y2+30(xy)=181+30(-6)=1

    (3x+5y)2=1

    3x+5y= 1,-1

    0Thank You

    ANSWER
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