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If (f(x)=3x^2+1), what is the value of (f(-1))?यदि (f(x)=3x^2+1), तो (f(-1)) का मान क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (4)(4)
Step 1: Put (x=-1). Step 2: (f(-1)=3(-1)^2+1=3\cdot1+1=4). Step 3: Remember that the square of a negative number is positive.चरण 1: (x=-1) रखें। चरण 2: (f(-1)=3(-1)^2+1=3\cdot1+1=4)। चरण 3: ऋणात्मक संख्या का वर्ग धनात्मक होता है, यह बात याद रखें।
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