TS EAMCET 7 May 2018 Shift 1 Solved Paper

Section: Mathematics

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Question : 8 of 160

Marks: +1, -0

If (x−iy)

1

3

= a + ib , then

ax−by

a−b

=

a3−b3
a3+a2b+ab2+b3
a3+3a2b+3ab2+b3
a4−b4

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