The value of - -9 -4 - -4 is

The correct option is B 6+2i Since √( 1 ) =i , therefore √(( 9 ) ( 4 ) #160;) +√( 4 ) =√( 36 ) +2i =6+2i #160;Hence, option A ...

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The value of ...

Question

The value of $\sqrt{(- 9) (- 4)} + \sqrt{- 4}$ is

6 + 2 i

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6 - 2 i

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8

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4

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S_{1} = - 6 = 2 i \times 3 i = \sqrt{(- 4)} \times \sqrt{(- 9)} (w h e r e, i = \sqrt{- 1})

S_{2} = \sqrt{(- 4)} \times \sqrt{(- 9)} = \sqrt{(- 4) \times (- 9)}

S_{3} : \sqrt{(- 4) \times (- 9)} = \sqrt{36}

S_{4} : \sqrt{36} = 6

If |z + 2i| $\leq 1$ and $z_{1}$ = 6-3i then the maximum value of |iz + $z_{1}$ - 4 | is equal to

(4 + 2 i) (4 - 2 i)

i^{2} = - 1

l o g_{3} 4 l o g_{4} 5 l o g_{5} 6 l o g_{6} 7 l o g_{7} 8 l o g_{8} 9

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