((x-7)(x+7)) का परिणाम क्या है?
What is the result of ((x-7)(x+7))?
Explanation opens after your attempt
C. \(x^2-49\)
Concept
This is the form ((a-b)(a+b)=a-2-b-2). Exam tip: quickly identify conjugate binomials.
Why this answer is correct
The correct answer is C. \(x^2-49\). This is the form ((a-b)(a+b)=a-2-b-2). Exam tip: quickly identify conjugate binomials.
Exam Tip
यह ((a-b)(a+b)=a-2-b-2) का रूप है। परीक्षा में विपरीत चिन्ह वाले समान द्विपद तुरंत पहचानें।
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