4x2+1÷4x2+2-9y2. Factorise it
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Hello
4 * 2 + 1 ÷ 4 * 2 + 2 - 9y²
Lets first use ODMAS then factorisation .
4 * 2 + 1 / 4 *2 + 2 - 9y²
= 4 * 2 + 1 / 2 + 2 - 9y²
= 8 + 1 / 2 + 2 - 9y²
= 16 + 1 + 4 / 2 - 9y²
= 21 / 2 - 9y²
= (√21 / √2 )² - ( 3y ) ²
= (√21 / √2 + 3y ) ( √21 / √2 - 3y )
4 * 2 + 1 ÷ 4 * 2 + 2 - 9y²
Lets first use ODMAS then factorisation .
4 * 2 + 1 / 4 *2 + 2 - 9y²
= 4 * 2 + 1 / 2 + 2 - 9y²
= 8 + 1 / 2 + 2 - 9y²
= 16 + 1 + 4 / 2 - 9y²
= 21 / 2 - 9y²
= (√21 / √2 )² - ( 3y ) ²
= (√21 / √2 + 3y ) ( √21 / √2 - 3y )
Answered by
0
This question is wrong i think bcz in last how came 9y2
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