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प्रश्न
Subtract 9a2 – 15a + 3 from unity.
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उत्तर
In order to find solution, we will subtract 9a2 – 15a + 3 from unity, i.e. 1.
Required expression is 1 – (9a2 – 15a + 3)
= 1 – 9a2 + 15a – 3
= –9a2 + 15a – 2
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