find all the integral value of x for which x^2+7x+13 is a perfect square
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x=(7+-(7^2-4×1×13)^1/2)/2×1
=(7+(49-52)^1/2)/2 OR, (7-(49-52)^1/2)/2
=(7+(49-52)^1/2)/2 OR, (7-(49-52)^1/2)/2
sakshi72960:
thank u very much
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