Question

X square = 1 square + 2 square

Answer 1

Answer:

X square = 1 square+2 square

X square=1+4

X square=5

X=square root of 5

Hope this helps

Answer 2

ANSWER:

Given

• x² = 1² + 2²

→ x² = 1 + 4

→ x = 5

→ x = √5 (x² = y → x = √y)

♦ Hence, x = √5

CONCEPTS USED:

★ Exponents and powers

MORE INFORMATION:

★ a⁰ = 1

★ √a × √b = √ab