Need to state yes or no
√4a^2=2a
√a^2+4equal to a+2
Answers
Answered by
2
2 × a = 2a
therefore it is true
threfore it is false
Answered by
1
Answer:
\sqrt{4 a^{2} } = 2a
4a
2
=2a
\sqrt{4} \sqrt{a^{2} } = 2a
4
a
2
=2a
2 × a = 2a
therefore it is true
\sqrt{ a^{2}+4 } =a+2
a
2
+4
=a+2
\sqrt{ a^{2}+ 2^{2} } =a+2
a
2
+2
2
=a+2
\sqrt{ a^{2}+ a^{2} } \neq a+2
a
2
+a
2
=a+2
threfore it is false
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