Skip to content

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

Class 9 Mathematics Exploring Algebraic Identities FactorisationMediumLevel 70

0 reads0 ratings0 helpful

Choose the factorised form of (x^2-y^2+2y-1).

Answer and explanation

Correct answer: ( (x-y+1)(x+y-1) )

Treat (-y^2+2y-1) as (-(y-1)^2) to get (x^2-(y-1)^2). Exam tip: place the negative sign on the whole square.

Related tags

Mixed Identity Difference Of Squares Factorisation

Frequently asked questions

What is the correct answer to this question?

( (x-y+1)(x+y-1) )

Why is this the correct answer?

Treat (-y^2+2y-1) as (-(y-1)^2) to get (x^2-(y-1)^2). Exam tip: place the negative sign on the whole square.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Factorisation.

Student feedback

Was this question useful?

No ratings yetWrite a review / Rate this question

Was this question useful?

👍 0 Helpful 👎 0 Not helpful

Difficulty

Easy0%

Medium0%

Hard0%

Was the explanation clear?

Yes 0% No 0%

0 responses

Student Reviews

No published reviews yet.