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If the sum of all coefficients of (p(x)=4x^4+kx^3-6x+1) is (5), what is (k)?यदि (p(x)=4x^4+kx^3-6x+1) में सभी गुणांकों का योग (5) है, तो (k) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (6)(6)
The sum of coefficients is (4+k+0-6+1=k-1), so (k-1=5) and (k=6). The sum of coefficients is found by (p(1)).गुणांकों का योग (4+k+0-6+1=k-1) है, इसलिए (k-1=5) और (k=6)। गुणांकों का योग (p(1)) से मिलता है।
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