Question
Download Solution PDFa3 + b3 आणि a2 + ab + b2 चे तिसरे प्रमाणपद, जेव्हा a = 2 आणि b = 3, आहे:
(2 दशांश ठिकाणी योग्य)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिले:
a = 2
b = 3
संकल्पना:
आपल्याला 3 + b 3 आणि a 2 + ab + b 2 चे तिसरे प्रमाण शोधणे आवश्यक आहे.
निरसन:
⇒ प्रथम आणि द्वितीय क्रमांक मिळविण्यासाठी दोन अभिव्यक्तींमध्ये a आणि b बदला.
⇒ पहिली संख्या = a 3 + b 3 = 2 3 + 3 3 = 8 + 27 = 35
⇒ दुसरी संख्या = a 2 + ab + b 2 = 2 2 + 2*3 + 3 2 = 4 + 6 + 9 = 19
⇒ दोन संख्यांचे तिसरे प्रमाण (T) (x आणि y) T = (y 2 )/x या सूत्राने दिलेले आहे.
तर, पहिली आणि दुसरी संख्या बदलणे:
⇒ T = (19 2 )/35 = 10.31
म्हणून, a 3 + b 3 आणि a 2 + ab + b 2 चे तिसरे प्रमाण , जेव्हा a = 2 आणि b = 3, तेव्हा अंदाजे 10.31 (दोन दशांश ठिकाणी बरोबर) आहे.
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