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Question

The number of real solutions of the equation:
ex=x2+14x+49, is

A
0
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B
1
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C
2
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D
none of these
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Solution

The correct option is C 2

x2+14x+49=(x+7)2

ex=(x+7)2

Curves of ex and (x+7)2 intersect at two points


657229_591334_ans_997142e0e4994ff381727ab28aeebce9.png

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