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Sequences and Series question

2018 · 15 Apr · Shift 2 · Q23

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PYQ Library
JEE Main
Mathematics
Sequences and Series
2018 · 15 Apr · Shift 2 · Q23

Sequences and Series question

2018 · 15 Apr · Shift 2 · Q23

JEE MainMathematicsSequences and SeriesMCQ+4 / −1

If a, b, c are in A.P. and a2, b2, c2 are in G.P. such that a < b < c and a + b + c =

{3 \over 4},

then the value of a is :

A
${1 \over 4} - {1 \over {4\sqrt 2 }}$
B
${1 \over 4} - {1 \over {3\sqrt 2 }}$
C
${1 \over 4} - {1 \over {2\sqrt 2 }}$
D
${1 \over 4} - {1 \over {\sqrt 2 }}$

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