{√2/(√6 + 2)} = কত?
সমাধান
সঠিক উত্তর: Option A
{√2/(√6 + 2)}
= √2/{√2(√3 + √2)}
= 1/(√3 + √2)
= (√3 - √2)/{(√3)2 - (√2)2}
= (√3 - √2)/(3-2)
= (√3 - √2)
= √2/{√2(√3 + √2)}
= 1/(√3 + √2)
= (√3 - √2)/{(√3)2 - (√2)2}
= (√3 - √2)/(3-2)
= (√3 - √2)