find the product

√5×7sqrt5

To find the product of √5 and 7√5, we can multiply the numbers outside of the square root and then multiply the numbers inside of the square root.

√5 × 7√5 = (7 × √5) × (1 × √5) = (7 × 1) × (√5 × √5) = 7 × 1 × √(5 × 5) = 7 × 1 × √25 = 7 × 1 × 5 = 35

Therefore, the product √5 × 7√5 is equal to 35.