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[" If "x^(2)+ax+10=0" and "x^(2)+bx-10=0...

[" If "x^(2)+ax+10=0" and "x^(2)+bx-10=0" have a common "],[" root,then "a^(2)-b^(2)" is equal to "]

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If x^(2)+ax+10=0and x^(2)+bx-10=0 have common root, then a^(2)-b^(2) is equal to

If x^(2)+ax+10=0and x^(2)+bx-10=0 have common root, then a^(2)-b^(2) is equal to

If x^(2)+ax+10=0andx^(2)+bx-10=0 have common root,then a^(2)-b^(2) is equal to 10 b.20 c.30 d.40

If x^(2)+ax+10=0 and x^(2)+bx-10=0 have common root,then a^(2)-b^(2) is equal to 10 (b) 20(c)30 (d) 40

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