Find all the positive integers a,b,c,d so that a+b+c+d-3=ab=cd.

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+51 point = ₹1 discount on purchases, ask questions & climb the leaderboard!

• A 8
• B 2
• C (√10)^²
• D 0

Submit Answer

Show answer and explanation

Answer: C. (√10)^²

GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG

Answering after opening this box earns no Practice Points.