If a1, a2, a3 ...... and b1, b2, b3 ....... are A.P., and a1 = 2, a10 = 3, a1b1 = 1 = a10b10, then a4 b4 is equal to -

If a1, a2, a3 ...... and b1, b2, b3 ....... are A.P., and a1… — Answer & Explanation

If a₁, a₂, a₃ ...... and b₁, b₂, b₃ ....... are A.P., and a₁ = 2, a₁₀ = 3, a₁b₁ = 1 = a₁₀b₁₀, then a₄ b₄ is equal to -

✓ Correct answer: D

Want the full step-by-step reasoning?

Practice thousands more mathematics questions free on NewNcert
Start practicing →

Question ID #162410 · NewNcert