Question

- 2 ^ 4 - (sqrt(3)) ^ 0 * (- 2) ^ 6 / 4​

Answer 1

Answer:

Let x+iy=  

4+3  

20

​

i

​

 

∴(x+iy)  

2

=4+3  

20

​

i

expanding ,

x  

2

+2ixy−y  

2

=4+3  

20

​

i

equating real & imaginary parts

x  

2

−y  

2

=4−−−−−−−−−−−(1)

2xy=3  

20

​

−−−−−−−−−−−−−−−−(2)

By equaling the modules  

∣

∣

∣

​

(x+iy)  

2

 

∣

∣

∣

​

=  

∣

∣

∣

​

4+3  

20

​

i  

∣

∣

∣

​

 

∴x  

2

+y  

2

=  

4  

2

+(3  

20

​

)  

2

 

​

=  

16+180

​

=  

196

​

=14

∴x  

2

+y  

2

=14−−−−−−−−−−(3)

from (1)&(3),

x=±3

y=±  

5

​

  - (∵eq  

n

  (2) demands x  & y to   have  same   sign)

∴ ans :±(3+  

5

​

Step-by-step explanation:

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Answer 2

Answer:

Mein v thik ho

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