Web26 aug. 2024 · ⇒ (2x) 3 + (3y) 3 = 14 × (100 - 6 × 8) ⇒ 14 × 52 = 728 ∴ The answer is 728. Alternate Method a3 + b3 = (a + b)3 - 3ab (a + b 8x3 + 27y3 = (2x + 3y)3 - 3 × 2x × 3y (2x + 3y) ⇒ 143 - 18 × 8 × 14 ⇒ 2744 - 2016 ⇒ 728 ∴ The answer is 728. Download Solution PDF Share on Whatsapp Latest SSC CGL Updates Last updated on Mar 14, 2024 WebIntAlg_035_Ch12 - Read online for free. ... Analytic. Geometry: The Conic Sections “ It is impossible not to feel stirred at the thought of the emotions of men at certain historic …
RD Sharma Class 9 Solutions Chapter 4 Algebraic Identities Ex 4.3
Web8x 3 + 27y 3 = 793 Question 11: If 3x – 2y= 11 and xy = 12, find the value of 27x3 – 8y3. Solution: Given: 3x – 2y = 11 and xy = 12 Cubing 3x – 2y = 11 both sides, we get (3x – 2y) 3 = (11) 3 (3x) 3 – (2y) 3 – 3 ( 3x) ( 2y) (3x – 2y) =1331 27x 3 – 8y 3 – 18xy (3x -2y) =1331 27x 3 – 8y 3 – 18 x 12 x 11 = 1331 27x 3 – 8y 3 – 2376 = 1331 Web16 jul. 2024 · Solution Solution Solution Solution 10. If 2x+3y = 13 and xy = 6, find the value of 8x3 + 27y3 Solution 11. If 3x − 2y = 11 and xy = 12, find the value of 27x3 − 8y3 Solution 12. If x4 + 1 x4 = 119 x 4 + 1 x 4 = 119, find the value of x3 − 1 x3 Solution 13. Evaluate each of the following: (i) (103)3 (ii) (98)3 (iii) (9.9)3 (iv) (10.4)3 (v) (598)3 phenix city dental
RD Sharma solutions for Mathematics for Class 9 chapter 4
WebShare with Email, opens mail client. Email. Copy Link WebTo Factorise 8x^3+27y^3+36x^2y+54xy^2 there is a result which is (a+b)^3 =a^3+b^3+3a^2b+3ab^2. Using this expand (2x + 3y)^3 you will get the same answer which is the question so factorised form of question is ... x 3 − 12 x 2 + 36 x. View More. Related Videos. Algebraic Identities. MATHEMATICS. Watch in App. WebHome; Documents; Bird - Higher Engineering Mathematics - 5e - Solutions Manual.pdf; of 640 /640. Match case Limit results 1 per choose Limit results 1 per choose phenix city department of human resources