2/sqrt 5
by rationalising the denominator,
2/sqrt 5 × sqrt 5/sqrt 5
= 2(sqrt 5)/sqrt 5(sqrt 5)
= 2 sqrt 5/5
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hope this helps! :))))
Answer:
hi
Step-by-step explanation:
Answer:
the like terms were not grouped together.
Answer:
C i think but im not 100% sure
Step-by-step explanation: