If the domain of the function f ( x ) = log ( 10 x 2 - 17 x + 7 ) ( 18 x 2 - 11 x + 1 ) is ( , a ) ( b , c ) ( d , ) - { e } , then 90 ( a + b + c + d + e ) equals: [2026]

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Solution

Q.
If the domain of the function

$f (x) = \log_{(10 x^{2} - 17 x + 7)} (18 x^{2} - 11 x + 1)$

is $(- \infty, a) \cup (b, c) \cup (d, \infty) - {e},$ then $90 (a + b + c + d + e)$ equals: [2026]

1 316

2 177

3 170

4 307

Ans.
(1)

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