Math, asked by imaditya8121, 1 year ago

Is 0.2 a root of the equation x²-0.4=0? Justify

Answers

Answered by lakshman12
19
haa its true
substitute 0.2 in equation then
(0.2)^2-0.4
0.4-0.4 =0

imaditya8121: thank you
Deepakshrivas: i am really sorry to say buy when we put( 0.2)
Deepakshrivas: then it becomes 0.04 not 0.4
lakshman12: what
imaditya8121: ^ means??
lakshman12: cap means 2^2=4
lakshman12: for example
imaditya8121: X (multiply)ohh
Answered by shahidkhanmr786
12

Answer:

substitute 0.2 in equation then

(0.2)^2-0.4

0.04-0.4 not equal to zero

Step-by-step explanation:

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