Question

find the square root of the complex number 7+2i​

Answer 1

♠♠ Answer ♠♠

We have,

7+24

i=x+iy

7+24i=x

2

−y

2

+2xyi

x

2

−y

2

=7,x

2

−

x

2

144

=7

x

4

−7x

2

−144=0

x

2

(x

2

−16)+a(x

2

−16)=0

x

2

=16

x=±y

∴x=

x

12

y=3,−3

∴x=4,y=3x=−4,y=−37+24i

=±4±3i

Hence this is the answer

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Answer 2

Step-by-step explanation:

Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.