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4-1.Complex numbers
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$a + ib > c + id$ તોજ સમજાવી શકાય જો. . . .
A
$b = 0,c = 0$
B
$b = 0,d = 0$
C
$a = 0,c = 0$
D
$a = 0,d = 0$
Solution
(b)$a + ib > c + id$, it is defined if and only if imaginary parts must be equal to zero.
Therefore $ib = id = 0$==> $b = d = 0$$(\because i \ne 0)$
Standard 11
Mathematics
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