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Find the square of the given number. 93 - Mathematics

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प्रश्न

Find the square of the given number.

93

बेरीज
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उत्तर

93= (90 + 3)2

= (90 + 3) (90 + 3)

= 90 (90 + 3) + 3 (90 + 3)

= 902 + 90 × 3 + 3 × 90 + 32

= 8100 + 270 + 270 + 9

= 8649

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पाठ 6: Squares and Square Roots - Exercise 6.2 [पृष्ठ ९८]

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एनसीईआरटी Mathematics [English] Class 8
पाठ 6 Squares and Square Roots
Exercise 6.2 | Q 1.4 | पृष्ठ ९८

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Observe the following pattern \[1^2 = \frac{1}{6}\left[ 1 \times \left( 1 + 1 \right) \times \left( 2 \times 1 + 1 \right) \right]\]
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\[ 1^2 + 2^2 + 3^2 = \frac{1}{6}\left[ 3 \times \left( 3 + 1 \right) \times \left( 2 \times 3 + 1 \right) \right]\]
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