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Find and Correct the Errors in the Statement: (3x + 2)Square2 = 3xsquare2 + 6x + 4 - Mathematics

Question

Find and correct the errors in the statement: (3x + 2)2 = 3x2 + 6x + 4

Solution

L.H.S. = (3+ 2)2 = (3x)2 + 2(3x)(2) + (2)2 [(a + b)2 = a2 + 2ab + b2]

= 9x2 + 12x + 4 ≠ R.H.S

The correct statement is (3x + 2)2 = 9x2 + 12x + 4

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 8 (2018 (Latest))
Chapter 14: Factorisation
Exercise 14.4 | Q 9 | Page 228
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Find and Correct the Errors in the Statement: (3x + 2)Square2 = 3xsquare2 + 6x + 4 Concept: Concept of Find the Error.
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