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This section contains 02 paragraph each describing theory, experiment, data etc. Four questions relate to the paragraph. Each question of a paragraph has Only One correct answer among the four choices ( A ) , ( B ) , ( C ) and ( D ) .
Letf ( x ) = x 2 + ( a + 2 ) x + a 2 − a + 2 . Given a , α , β ( α < β ) be real numbers and α , β are the roots of the equation f ( x ) = 0 .
Paragraph for Question Nos. 51 and 52
Let
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