Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

If \(a\neq0\), \(b=0\), what will be the degree of \(ax^2+bx^5-4\)?

Answer and explanation

Correct answer: 2

Substituting \(b=0\) makes \(bx^5=0\), so the expression reduces to \(ax^2-4\). Since \(a\neq0\), the coefficient of \(x^2\) is non-zero. Thus, the highest power of \(x\) remaining in the polynomial is 2, so its degree is 2. Option 5 is incorrect because the \(x^5\) term becomes zero. Exam tip: first substitute the given coefficient values, remove terms with zero coefficients, and then find the highest remaining exponent.

Related tags

PolynomialsDegree Of PolynomialZero CoefficientAlgebraClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.