Question
Download Solution PDF(2x - 5y)² + (5x + 2y)² + (2x + 5y)(2x - 5y) को सरल कीजिए।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
(2x - 5y)² + (5x + 2y)² + (2x + 5y)(2x - 5y) को सरल करना है।
प्रयुक्त सूत्र:
(a - b)² = a² - 2ab + b²
(a + b)² = a² + 2ab + b²
(a + b)(a - b) = a² - b²
गणना:
(2x - 5y)² + (5x + 2y)² + (2x + 5y)(2x - 5y)
⇒ 4x² - 20xy + 25y² + 25x² + 20xy + 4y² + 4x² - 25y²
⇒ 33x² + 4y²
इसलिए, सही उत्तर विकल्प (2) है।
Last updated on Jul 17, 2025
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