यदि a - b = 4 और ab = 1 है, तो a + b का मान ज्ञात कीजिए। 

1
 2√4
2
 3√5
3
 2√5
4
 4√7

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation