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If (f(x)=x^2+1), what is (f(a-1))?यदि (f(x)=x^2+1), तो (f(a-1)) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((a-1)^2+1)((a-1)^2+1)
Step 1: In (f(a-1)), replace (x) by the whole expression (a-1). Step 2: (x^2+1) becomes ((a-1)^2+1). Step 3: Put the whole expression in brackets.चरण 1: (f(a-1)) में (x) की जगह पूरा (a-1) रखें। चरण 2: (x^2+1) से ((a-1)^2+1) मिलेगा। चरण 3: पूरे व्यंजक को कोष्ठक में रखना जरूरी है।
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