CramX Logo

Q
QuestionMathematics

Simplify √245
12 months agoReport content

Answer

Full Solution Locked

Sign in to view the complete step-by-step solution and unlock all study resources.

Step 1:
: Identify the prime factors of the number inside the square root.

The prime factors of 245 are 5 and 7, since $$245 = 5 imes 7^2$$.

Step 2:
: Simplify the square root by taking out any perfect squares.

\sqrt{245} = \sqrt{5 imes 49} = \sqrt{5} imes \sqrt{49}

Step 3:
: Further simplify the square root of the perfect square.

\sqrt{49} = 7

Step 4:
: Combine the results from Steps 2 and 3 to get the simplified form.

\sqrt{245} = \sqrt{5} imes 7

Final Answer

The simplified form of \sqrt{245} is \sqrt{5} imes 7. If needed, this can be further simplified to 7\sqrt{5}.