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If (a=5q+2), what is the remainder when (a^2+1) is divided by 5?यदि (a=5q+2), तो (a^2+1) को 5 से भाग देने पर शेषफल क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 00
Step 1: The remainder of (a) is 2. Step 2: The remainder of (a^2+1) comes from (2^2+1=5), which is exactly divisible by 5. Step 3: After substituting the remainder in the expression, check it again by the divisor.चरण 1: (a) का शेषफल 2 है। चरण 2: (a^2+1) का शेषफल (2^2+1=5) से मिलेगा, जो 5 से पूर्णतः विभाजित है। चरण 3: व्यंजक में शेषफल रखने के बाद उत्तर को फिर भाजक से जांचें।
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