Tawfiq went to library with a view to _______.
ক) read a book
খ) reads a book
গ) reading a book
ঘ) buy some books
Related Questions
ক) (1+a+b)(1-a+b)
খ) (1+a+b)(1-a-b)
গ) (1+a+b)(1+a-b)
ঘ) (1+a-b)(1-a+b)
Note :
1 - a² + 2ab - b²
= 1 -( a² + 2ab - b²)
= 1²-(a-b)²
= (1+a-b) (1 - a + b)
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