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If and the system of equations has a non – trivial solution, Then are in
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a
Harmonic progression
b
Geometric progression
c
Arithmetic progression
d
Arithmetic – Geometric progression
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Correct option is A
Since the given system has non-trivial solution, Δ=0 ⇒17a2a16b2b15c2c=0⇒1(12bc−10bc)−7a(2c−2b)+2a(5c−6b)=0⇒2bc−4ac+2ab=0⇒2ac=ab+bc⇒2b=1c+1a ⇒a,b,care in H.PSimilar Questions
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