Advertisements
Advertisements
Question
2x4 + 5x3 + 7x2 – x + 41 का मान ज्ञात कीजिए, जब x = `-2 - sqrt(3)"i"`
Sum
Advertisements
Solution
x + 2 = `- sqrt(3)"i"` ⇒ x2 + 4x + 7 = 0
अतः 2x4 + 5x3 + 7x2 – x + 41 = (x2 + 4x + 7)(2x2 – 3x + 5) + 6
= 0 × (2x2 – 3x + 5) + 6
= 6
shaalaa.com
द्विघातीय समीकरण
Is there an error in this question or solution?
