Question

No, 6) ਘਟਾਉ ਵਿਧੀ ਨਾਲ ਵਰਗਮੂਲ ਪਤਾ ਵੀ
Find square root using subtraction
method
81
​

Answer 1

$✯ \: \sqrt{81} \\ \\ ➜ \: \sqrt{3 \times 3 \times 3 \times 3 } \\ ➜ \: 3 \times 3 \\ ➜\: 9$

Therefore, $\sqrt{81} = 9$

Answer 2

$\huge\pink{AnsWeR}$

$\star\sf\sqrt{81}$

$\sf\sqrt{3×3×3×3}$

$\sf{3×3}$

$\implies\sf{9}$

THEREFORE,$\sf\sqrt{81}\implies{9}$