Class 11 Math Algebra Sequences and series

Prove that $(a_{2}+a_{3}a_{2} )>(a_{1}+a_{2})(a_{3}+a_{4})a_{1}a_{3} $

Solution: $a_{2}+a_{3}a_{2} =21 [a_{1}+a_{2}a_{1} +a_{3}+a_{4}a_{3} ]=$ A.M. of P and Q

which is greater than the G.M., i.e., $PQ $

Hence squaring we get the result.

which is greater than the G.M., i.e., $PQ $

Hence squaring we get the result.

Similar topics

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

determinants

matrices

binomial theorem

complex numbers and quadratic equations

sequences and series

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