Question

1 divided 8+5 squareroot 2
pls sent the method pic

Answer 1

Sorry I didn’t have notes now

Ans: 1/2 power 3 + 5power 2. ( 8can be written as 2 cube)
Reciprocal = 2 power -3 + 5 power -2
= -8 + 25
= 17

Since your answer is 17

Please mark my answer as brainlist answer

Answer 2

Answer:

(8 - 5√2) / 14

Step-by-step explanation:

Question: 1 / (8 + 5√2)

Conjugate of fraction : (8 - 5√2) / (8 - 5√2)

Multiply original fraction with conjugate

1 /( 8 + 5√2) * (8 - 5√2) / (8 - 5√2)

8 - 5√2 / (8 + 5√2)(8 - 5√2)

Identity: (a + b)(a - b) = (a² - b²)

(8 - 5√2) / (8² - (5√2)²)

(8 - 5√2) / (64 - 50)

(8 - 5√2) / 14

Hope it helps you.