यदि (f(x)=x-2), (g(x)=x+1) और (h(x)=x-1) हैं तो (f(g(x))-f(h(x))) क्या है?

If (f(x)=x-2), (g(x)=x+1) and (h(x)=x-1) then what is (f(g(x))-f(h(x)))?

Explanation opens after your attempt
Correct Answer

A. (4x)

Step 1

Concept

(f(g(x))=(x+1)2) and (f(h(x))=(x-1)2), so the difference is (4x). The difference of squares formula is fast here.

Step 2

Why this answer is correct

The correct answer is A. (4x). (f(g(x))=(x+1)2) and (f(h(x))=(x-1)2), so the difference is (4x). The difference of squares formula is fast here.

Step 3

Exam Tip

(f(g(x))=(x+1)2) और (f(h(x))=(x-1)2), इसलिए अंतर (4x) है। वर्गों के अंतर का सूत्र तेजी देता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2), (g(x)=x+1) और (h(x)=x-1) हैं तो (f(g(x))-f(h(x))) क्या है? / If (f(x)=x-2), (g(x)=x+1) and (h(x)=x-1) then what is (f(g(x))-f(h(x)))?

Correct Answer: A. (4x). Explanation: (f(g(x))=(x+1)2) और (f(h(x))=(x-1)2), इसलिए अंतर (4x) है। वर्गों के अंतर का सूत्र तेजी देता है। / (f(g(x))=(x+1)2) and (f(h(x))=(x-1)2), so the difference is (4x). The difference of squares formula is fast here.

Which concept should I revise for this Mathematics MCQ?

(f(g(x))=(x+1)2) and (f(h(x))=(x-1)2), so the difference is (4x). The difference of squares formula is fast here.

What exam hint can help solve this Mathematics question?

(f(g(x))=(x+1)2) और (f(h(x))=(x-1)2), इसलिए अंतर (4x) है। वर्गों के अंतर का सूत्र तेजी देता है।